3745665473 has 12 divisors (see below), whose sum is σ = 4169262720. Its totient is φ = 3362038680.

The previous prime is 3745665439. The next prime is 3745665479.

3745665473 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 3745665473 - 2¹⁶ = 3745599937 is a prime.

It is a hoax number, since the sum of its digits (50) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3745665479) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 186365 + ... + 205482.

It is an arithmetic number, because the mean of its divisors is an integer number (347438560).

Almost surely, 2^3745665473 is an apocalyptic number.

It is an amenable number.

3745665473 is a deficient number, since it is larger than the sum of its proper divisors (423597247).

3745665473 is a wasteful number, since it uses less digits than its factorization.

3745665473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391948 (or 391937 counting only the distinct ones).

The product of its digits is 6350400, while the sum is 50.

The square root of 3745665473 is about 61201.8420719507. The cubic root of 3745665473 is about 1553.0174273868.

The spelling of 3745665473 in words is "three billion, seven hundred forty-five million, six hundred sixty-five thousand, four hundred seventy-three".